numdivs=3

IE5=NN4=NN6=false
if(document.all)IE5=true
else if(document.layers)NN4=true
else if(document.getElementById)NN6=true

function init() {
	showMenu(0)
}
function showMenu( which ) {
	for(i=0;i<numdivs;i++) {
		if(NN4) eval("document.sub"+i+".display='none'")
		if(IE5) eval("document.all.sub"+i+".style.display='none'")
		if(NN6) eval("document.getElementById('sub"+i+"').style.display='none'")
	}
	if(NN4) eval("document.sub"+which+".display='block'")
	if(IE5) eval("document.all.sub"+which+".style.display='block'")
	if(NN6) eval("document.getElementById('sub"+which+"').style.display='block'")
}

var link_nohandler= window.clientInformation? null : window.undefined; 
function link_down() { this.onfocus= this.blur; } 
function link_up() { this.onfocus= link_nohandler; } function link_bind() { 
 for (var i= document.links.length; i-->0;) {  
document.links[i].onmousedown= link_down; document.links[i].onmouseup= link_up; 
 } }